Sunshine duration

Basic Introduction to Dajin Jujube of Bin CountyThe main production area of Dajin Jujube in Bin County is located on both banks of the Jing River and its tributaries, Shuilian River and Gaoqu River, within Bin County, Shaanxi Province, at an altitude of 800 to 1,000 meters. The air is fresh, the environment is beautiful, and there is no industrial pollution. It has a warm temperate semi-arid continental monsoon climate with an annual average temperature of 11°C, an annual temperature range of 27.7°C, and a daily temperature range of 11.7°C; the annual average sunshine duration is 2,199.3 to 2,298.8 hours, with total radiation of 115.181 to 117.546 kcal/hour, indicating abundant light energy resources. The frost-free period lasts from 176 to 180 days. The annual average rainfall is 580 millimeters, and the soil is mostly alluvial loess and yellow-covered black loess, characterized by deep layers, loose texture, good permeability, thick humus layer, high fertility, and especially suitable for the growth of Dajin Jujube.Dajin Jujube of Bin County is a local specialty fruit product of Bin County, Xianyang City, with a cultivation history of over 3,000 years in Bin County. There is a poem in "Bin Feng" that says, "In August, the…